National Item Identification Number
01-073-9181
010739181
5305-01-073-9181
5305010739181
National Stock Number
Item Name
SCREW,CAP,SOCKET HEAD
Federal Supply Class
5305
Description
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Commercial and Government Entity Code (Supplier Data)
57648
LAWSON PRODUCTS INC.
1666 E TOUHY AVE
DES PLAINES
IL
60018
847-827-9666
Reference Numbers (Part Numbers)
3729
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.312 INCHES
18
RIGHT-HAND
0.250 INCHES NOMINAL
STEEL OVERALL
OXIDE OV
